A first base station receives resource information from one or more wireless devices. The first base station determines, based on the resource information, combined resource information associated with a first cell. The combined resource information comprises a combined channel busy ratio of a sidelink resource pool. The first base station sends, to a second base station, an information message comprising the combined resource information. The first base station receives, from the second base station, a request message requesting a resource configuration of the first cell for a wireless device. The request message is based on the information message.
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3. The method of claim 1, further comprising sending, by the first base station to the second base station, information of the sidelink resource pool for sidelink communications associated with the first cell.
This invention relates to wireless communication systems, specifically improving sidelink communication management between base stations. The problem addressed is the lack of coordination between base stations regarding sidelink resource pools, which can lead to inefficient resource allocation and interference in sidelink communications. The invention involves a method where a first base station, serving a first cell, receives information about a second cell from a second base station. The first base station then determines a sidelink resource pool for sidelink communications within the first cell. Sidelink communications allow direct device-to-device communication without relying on the base station. The first base station then sends information about this sidelink resource pool to the second base station, enabling better coordination between the two base stations. This exchange of information helps optimize resource allocation and reduces interference in sidelink communications across adjacent cells. The method ensures that both base stations are aware of the sidelink resource pools used in their respective cells, facilitating more efficient and reliable sidelink communication.
6. The method of claim 1, wherein the first cell uses an unlicensed spectrum.
This invention relates to wireless communication systems, specifically methods for managing spectrum usage in cellular networks. The problem addressed is the efficient utilization of both licensed and unlicensed spectrum bands to improve network capacity and reliability. The invention describes a method where a first cell operates using an unlicensed spectrum, which is typically shared and not exclusively assigned to a single operator. This allows the network to dynamically access additional frequency resources when needed, reducing congestion in licensed bands. The method also involves coordinating spectrum usage between multiple cells to avoid interference, ensuring stable communication links. Additionally, the system may include mechanisms to detect and mitigate interference from other devices operating in the same unlicensed band. By leveraging unlicensed spectrum, the network can offload traffic from licensed bands, improving overall performance and user experience. The invention may also include techniques for prioritizing traffic types, such as giving preference to latency-sensitive applications when using unlicensed spectrum. This approach enhances spectral efficiency while maintaining compliance with regulatory requirements for unlicensed band operations.
13. The base station of claim 11, wherein the instructions, when executed by the one or more processors, further cause the base station to send, to the second base station, information of the sidelink resource pool for sidelink communications associated with the first cell.
16. The base station of claim 11, wherein the first cell uses an unlicensed spectrum.
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July 10, 2020
October 18, 2022
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